Green Frog

October 23, 2015
Heidi Rockney and Karen Wu
Green Frog

Green Frog.
Photo: Heidi Rockney

Name: Green Frog (Lithobates clamitans)
Order: Frogs (Anura)
Family: True Frogs (Ranidae)

What they look like

  • Up to 11cm
  • Bronze/brown or green and can be with or without dark spots
  • Have a two skin folds that run along each side and white bellies sometimes with blotches and/or lines
  • Light green jaw stripe and eyes are larger than tympanums (eardrum)

Where they live

  • Green frogs are not native Washington State; they are native to the Eastern United States.
  • Have been introduced into two areas in Washington State; Toad Lake in Whatcom County and Lake Gillette in Stevens County.
  • Prefer marshes, ponds, steam and lakes, typically with slow water with lots of plants.

Breeding

  • Breeding season is Spring-summer
  • Eggs are laid in shallow water with lots of plants
  • Eggs have a foamy surface film (plinth) and are black above and white beneath
  • The eggs only take a few days to hatch

Cool Biology Facts

  • Will utter a high pitched ‘squawk’ when disturbed as it jumps away
  • Males are territorial and will get into physical fights to defend territory
  • Will actively eat both day and night (diurnal)

Threats

Explore more of the Amphibians & Reptiles of Washington or check out All About Amphibians.

Explore Similar Content

Northern Leopard Frog

Northern Leopard Frog populations were once widespread throughout the Northern U.S. and Canada, but current population is decreasing.

Cascades Frog

Cascade Frogs hibernate during winter and have been found up to one foot below water buried in mud.

Photo of Northwestern Salamander

Northwestern salamander larvae and terrestrial adults are mildly poisonous, which generally allows them to survive alongside predators.

Back to Top